| probing(noun, study, review, case, judgment) |
| prod(verb, investigate, explore, research, delve) |
| prospect(verb, action, study, check, separate) |
| scour(verb, check, sound, examine, look) |
| scout(verb, study, check, consider, observe) |
| scrutinise |
| sound out(verb, expression, phrasal verb, examine, challenge) |
| canvass(verb, study, check, consider, observe) |
| feel out(verb, expression, phrasal verb, study, consider) |
| feeler(noun, opinion, investigate) |
| forage(verb, check, examine, look, seek) |
| interrogation(noun, study, question, test, race) |
| look over(verb, expression, phrasal verb, study, check) |
| perforate(verb, break, cut, crack, enter) |
| poll(noun, verb, review, question, investigation) |
| prove(verb, study, check, consider, correct) |
| pump(verb, examine, review, challenge, request) |
| ransack(verb, action, check, turn, examine) |
| reconnoiter(verb, study, check, consider, observe) |
| review(noun, verb, study, check, consider) |